In the post 9/11 world, the emotionally charged concepts of identity and ideology, enmity and political violence have once again become household words. Contrary to the serene assumptions of the early 1990s, history did not end. Civilisations are busy clashing against one another, and the self-proclaimed pacified humanity is once again showing its barbaric roots. Religion mixes with politics to produce governments that abuse even their own citizens, and victorious insurgents too often fail to carry out the promised reforms. Terrorists blow up unsuspecting pedestrians, and allegedly democratic...